ubuntu root password

[Apollon Koutlidis]

A. Sidiropoylos wrote:
> O/H Giorgos Keramidas έγραψε:
>   
>> .....
>> Το μόνο κακό είναι ότι το "sudo rm -fr /" είναι εξίσου εύκολο με το
>> σκέτο "rm -fr /".
>>     
> Oxi re paidia oxi....
> Mhn ta isopedonoume ola....
> Einai oloklira 4 gramata parapano + 1 keno..... 8-)
>
> H ali8ia einai oti syxna jexnaw na grapsw sudo kai meta brizw pou den
> douelbei h x entolh pou molis pliktrologisa.... Opote..... Einai ena
> mikro bima sto na se apotrepsei na kaneis thn m....a. Oxi oti den
> mporeis.... An eisai kalitexnis aloste.... 8-)
>   
H dikh mou optikh gwnia einai ligo diaforetikh.

Pleonekthmata:
1. Ena common account (kai idiaitera krisimo!) ligotero gia ta 
dictionary attacks
2. Ena ligotero password gia na 8umasai
3. En8arrunei ton xrhsth na krataei apostaseis apo to root shell (akoma 
kai auton pou *genika* apofeugei na to xrhsmopoiei, keeps you on your 
toes kinda thing)
4. Kai shmantikotero gia mena: Aplousteuei th diadikasia dianomhs 
priviledges, an 8elw o user charon na exei root shell apla ton bazw sto 
group kai de xreiazetai na alla3w root passwords all over the place otan 
einai wra na anakalesw thn prosbash (nai OK 3erw - o charon mporei 
kallista na exei 131072 copies tou /etc/shadow, e kai ti na kanw :-p)

Meionekthmata:
1. Ginetai E3AIRETIKA enoxlhtiko upo sugkekrimenes sun8hkes.
2. An exeis hdh kakes sunh8eies (opws kapoios pou 3erw epimenei na 
trexei TA PANTA sa root ki as 3erei oti einai kako kako prama) de 8a 
stis kopsei - apla anti gia root login kaneis sudo -i
3. Empisteuesai tous xrhstes stous opoious dineis sudo access? xmm... :)

My 2 eurocents.

A.